<template>
  <div>这是视频页面</div>
  <div>{{ count }}</div>
  <button @click="count++">btn</button>
</template>

<script>
export default {
  data() {
    return {
      count: 1,
    };
  },
  mounted() {
    setInterval(() => {
      this.count++;
    }, 1000);
  },
};
</script>
